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DIAPHRAGM COMPRESSOR WITH AN OBLONG SHAPED CHAMBER

15/573,255 | U.S. Patent Application

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Filed Nov. 10, 2017
Examiner HANSEN, KENNETH J
Class 417
Art Group 3746
Patent No. 12,338,809
Case Type Utility
Status Patented Case
Child 18/194,110 Abandoned
Last Updated: 8 hours ago
Date # Transaction